Summary
The relationship, already found by the authors, between sunspot numbers and the solar constant, as deduced from the highest global irradiance values at noon, is here reexamined and confirmed. Some attempts at explanation and further inferences are presented.
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Bossolasco, M., Cicconi, G., Dagnino, I. et al. Solar constant and sunspots. PAGEOPH 62, 207–214 (1965). https://doi.org/10.1007/BF00875302
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DOI: https://doi.org/10.1007/BF00875302